A pipe fitting on which the external thread is larger than the internal thread to allow two pipes of different sizes to be connected. (2) A removable lining or sleeve inserted or screwed into an opening to limit its size, resist wear or corrosion, or serve as a guide.
An agreement between a host government and a contractor under which the host pays the contractor an agreed price for all volumes of hydrocarbons produced by the contractor. Pricing mechanisms typically provide the contractor with an opportunity to recover investment at an agreed level of profit. These agreements may include financial incentives for more efficient, …
Spar systems are used in deep seas of at least 500 meters depth and usually more, to produce hydrocarbons from undersea wells, as well as to drill the wells and store produced oil. Such systems have a tall and narrow caisson extending down from the sea surface by perhaps one or two hundred meters and …
Continue reading “Caisson Production Spar; Caisson Production Unit; Offshore spar production system”
The residue deposited on a permeable medium when a drilling fluid is forced against the medium under pressure. The cake that forms on the walls of the wellbore can cause stuck pipe and other drilling problems so the properties of the cake such as its thickness, toughness and slickness and permeability are important
The crystalline form of calcium carbonate and chief constituent of limestone and chalk.
The calorific value of a fuel is the quantity of heat produced by its combustion – at constant pressure and under “normal” conditions of temperature and pressure ( 0 degrees C and under a pressure of 1,013 mbar). For natural gas, the calorific value (CV) is a measure of heating power and is dependent upon …
To regain control of a blowout well by installing and closing a valve on the wellhead
In the natural gas sector, it is the capacity component in the transmission tariff for consumers of the transmission system. An element in a two-part pricing method used in capacity transactions (energy charge is the other element). The capacity tariff is calculated based on the amount of capacity being purchased. Under the terms of the …
Continue reading “Capacity tariff; Capacity charge; Capacity fee; General capacity tariff”
The mechanism involves putting a cap on overall carbon emissions and allows companies to buy and sell emissions reductions, so that the cheapest cuts get made first. It is a means of cutting emissions from power stations.
Of very small diameter
